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2025-11-27 - 12:58
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Nov 27, 2025 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16595212163,7sleep20-21swapper/219:09:022
164002117108,6sleep30-21swapper/319:06:393
164022109100,6sleep00-21swapper/019:06:400
16164210796,7sleep10-21swapper/119:05:241
179872690,0sleep00-21swapper/023:24:250
15692640,0sleep041ktimersoftd/022:45:200
139802620,0sleep10-21swapper/121:00:221
216962610,0sleep10-21swapper/122:55:181
286432590,1sleep30-21swapper/321:57:523
268802590,0sleep10-21swapper/121:56:101
76442570,0sleep00-21swapper/022:33:470
271252570,0sleep00-21swapper/000:15:160
164922560,0sleep20-21swapper/222:36:332
41572550,1sleep20-21swapper/200:03:052
36752550,0sleep10-21swapper/122:45:211
85852540,0sleep20-21swapper/222:49:342
5872530,0sleep20-21swapper/222:00:192
180672520,0sleep00-21swapper/022:38:020
16841993515,18cyclictest31171-21ssh22:30:141
1684699300,3cyclictest0-21swapper/222:30:252
1684699293,24cyclictest0-21swapper/223:50:152
1684699290,3cyclictest0-21swapper/222:52:572
16846992818,8cyclictest10272-21snmpd19:23:392
1684699280,2cyclictest0-21swapper/222:44:412
1684699280,1cyclictest0-21swapper/223:47:372
1684699270,26cyclictest0-21swapper/219:32:002
1684699270,21cyclictest0-21swapper/200:05:362
1684699270,16cyclictest0-21swapper/223:04:452
1684199270,26cyclictest0-21swapper/123:54:151
1684199270,26cyclictest0-21swapper/120:37:341
246442260,7sleep11684199cyclictest23:10:241
1684699263,15cyclictest0-21swapper/221:25:212
16846992617,6cyclictest10272-21snmpd00:17:252
1684699261,24cyclictest0-21swapper/221:35:222
1684699260,4cyclictest0-21swapper/222:17:172
1684699260,25cyclictest0-21swapper/223:34:452
1684699260,25cyclictest0-21swapper/222:26:202
1684699260,25cyclictest0-21swapper/221:14:192
1684699260,25cyclictest0-21swapper/219:54:062
1684699260,21cyclictest0-21swapper/221:51:522
1684699260,20cyclictest0-21swapper/221:33:502
1684199260,25cyclictest0-21swapper/100:03:011
1684699256,12cyclictest0-21swapper/223:20:232
16846992518,6cyclictest10272-21snmpd23:25:482
16846992518,6cyclictest10272-21snmpd19:16:122
16846992517,7cyclictest10272-21snmpd21:09:132
16846992517,7cyclictest10272-21snmpd19:41:092
16846992515,6cyclictest10272-21snmpd21:58:282
1684699250,24cyclictest0-21swapper/221:47:102
1684699250,24cyclictest0-21swapper/221:44:282
1684699250,20cyclictest0-21swapper/223:43:032
16841992522,2cyclictest0-21swapper/100:28:081
1684199250,24cyclictest0-21swapper/123:07:001
1684199250,24cyclictest0-21swapper/123:06:591
1684199250,24cyclictest0-21swapper/122:43:321
1684199250,24cyclictest0-21swapper/122:03:441
1684199250,24cyclictest0-21swapper/121:16:161
1684199250,24cyclictest0-21swapper/119:40:241
1684199250,24cyclictest0-21swapper/100:16:031
1683799259,11cyclictest0-21swapper/021:23:380
1684699243,13cyclictest9178-21/usr/sbin/munin21:00:252
1684699242,14cyclictest0-21swapper/222:06:442
16846992413,7cyclictest10272-21snmpd22:10:122
16846992413,10cyclictest0-21swapper/200:22:392
1684699241,20cyclictest0-21swapper/221:25:012
1684699240,20cyclictest0-21swapper/223:10:332
1684699240,20cyclictest0-21swapper/223:07:312
1684699240,20cyclictest0-21swapper/223:07:312
1684699240,12cyclictest0-21swapper/222:20:272
1684199247,16cyclictest0-21swapper/122:23:151
1684199240,23cyclictest0-21swapper/123:26:571
1684199240,23cyclictest0-21swapper/123:04:311
1684199240,23cyclictest0-21swapper/122:15:381
1684199240,23cyclictest0-21swapper/121:54:251
1684199240,23cyclictest0-21swapper/120:18:181
1683799240,23cyclictest0-21swapper/022:42:550
1683799240,23cyclictest0-21swapper/021:47:190
1683799240,17cyclictest0-21swapper/021:10:040
2949722319,3sleep30-21swapper/320:48:553
1684699232,15cyclictest0-21swapper/200:35:182
1684699231,1cyclictest12454-21systemd-journal20:13:202
1684699230,22cyclictest0-21swapper/220:50:462
1684699230,21cyclictest0-21swapper/223:55:102
1684699230,20cyclictest0-21swapper/200:10:262
1684699230,17cyclictest0-21swapper/223:39:252
1684699230,15cyclictest0-21swapper/200:27:132
1684699230,12cyclictest0-21swapper/222:55:402
1684199231,21cyclictest0-21swapper/121:26:251
1684199231,21cyclictest0-21swapper/100:37:071
1684199230,23cyclictest0-21swapper/120:40:321
1684199230,22cyclictest0-21swapper/123:17:551
1684199230,22cyclictest0-21swapper/122:53:261
1684199230,22cyclictest0-21swapper/121:46:591
1684199230,22cyclictest0-21swapper/121:32:131
1684199230,17cyclictest0-21swapper/122:35:351
1684199230,17cyclictest0-21swapper/100:32:311
1684199230,17cyclictest0-21swapper/100:08:241
16837992312,9cyclictest0-21swapper/023:10:220
1683799230,22cyclictest0-21swapper/023:53:190
1683799230,22cyclictest0-21swapper/023:41:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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